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Droessler GmbH Umwelttechnik

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  • Siecen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete construction of modular design
    • Patent number 9,869,106
    • Issue date Jan 16, 2018
    • DROESSLER GMBH UMWELTTECHNIK
    • Christian Keindorf
    • E04 - BUILDING
  • Information Patent Grant

    Concrete structure
    • Patent number 8,950,149
    • Issue date Feb 10, 2015
    • Droessler GmbH Umwelttechnik
    • Michael Stahl
    • E04 - BUILDING

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